When the signer of an instrument cannot write (sign) his or her name, that person may sign the document by mark. During the last 3-4 years, No Hassle Notary Public has completed a little over 100 Signature by Mark notary jobs (attached pic is one recent example). The requirements for notarizing a signature by mark are as follows: • The person signing the document by mark must be identified by the notary public by satisfactory evidence. • The signer’s mark must be witnessed by